import { serveDir } from "jsr:@std/http/file-server";
import {ytdl_if_not_already} from "./ytdl.js";

Deno.serve({
	port: 9241,
	hostname: "0.0.0.0"
}, async request => {
	try {
		return await handler(request);
	} catch (error) {
		console.error(error);
		return new Response(error.stack, {status: 500});
	}
});

async function handler(request) {
	var pathname = new URL(request.url).pathname;

	if (pathname.startsWith("/v/")) {
		return serveDir(request, {
			fsRoot: process.env.MEDIA_DIR,
			urlRoot: "v"
		});
	}

	var ytid_match = pathname.match(/^\/dl\/([A-Za-z0-9_-]{11})$/);
	if (ytid_match) {
		var ytid = ytid_match[1];
		var info = await ytdl_if_not_already(ytid);
		//if (info.error) {
		//	return new Response(info.error, {status: 500});
		//}
		/*return new Response(null, {
			headers: {Location: `/v/${ytid}/${encodeURIComponent(filename)}`},
			status: 302
		});*/
		return Response.json(info, {
			headers: {"Access-Control-Allow-Origin": "*"}
		});
	}

	return new Response(null, {status: 404});
}